MRCOOL® Olympus 9,000 BTU (¾ Ton) Ductless Mini Split Ceiling Cassette with Panel 230 V/60 Hz | CASSETTE09HP-230C-P-O
The MRCOOL® Olympus Series represents the Best Tier of MRCOOL comfort systems — engineered for professional installation, elegant aesthetics, and premium climate performance. The Olympus 9,000 BTU (¾ Ton) Ductless Ceiling Cassette offers quiet, efficient heating and cooling for spaces up to 400 sq ft. Designed for flush ceiling integration, this recessed 4-way cassette maximizes comfort without compromising style.
Note: Olympus indoor cassettes are not pre-charged and require professional HVAC installation. Systems must be nitrogen-evacuated and vacuumed before refrigerant release from the outdoor condenser to ensure peak performance and warranty protection.
Premium Comfort Meets Discreet Design
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Seamless Ceiling Integration: Flush-mounted 4-way cassette blends into the ceiling for a sleek, minimalist look that complements any décor.
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Ideal Coverage: Efficiently heats and cools areas up to 400 sq ft — perfect for bedrooms, offices, or compact living areas.
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Quiet Operation: Operates at just 42 dB for whisper-quiet comfort, ideal for peaceful environments.
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Eco-Friendly Refrigerant: Uses advanced R-454B refrigerant with low GWP for eco-conscious performance.
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Energy-Efficient Design: Optimized for consistent airflow and efficient operation to reduce utility costs.
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Durable Construction: Built with premium materials and advanced MRCOOL® technology for long-term reliability.
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Comprehensive Warranty: Lifetime warranty on parts (limited), 7-year compressor and 5-year parts coverage for complete peace of mind.
Technical Specifications
| Model |
BTU / Ton |
Voltage / Hz |
Coverage Area* |
Sound Level |
Refrigerant |
Installation Type |
Warranty |
| CASSETTE09HP-230C-P-O |
9,000 BTU (¾ Ton) |
230 V / 60 Hz |
Up to 400 sq ft |
≈ 42 dB |
R-454B |
Recessed 4-Way Ceiling Cassette |
Lifetime (limited) / 7 Compressor / 5 Parts |
*Coverage depends on insulation, ceiling height, climate, and room layout.
Professional Installation Required
The Olympus cassette system must be installed by a licensed HVAC professional. The system requires proper nitrogen testing, vacuum evacuation, and charge release from the condenser. This ensures maximum performance, energy efficiency, and full warranty validity.
Reminder: Olympus cassettes are professional-grade systems — not DIY — and require certified installation.
What’s Included
- MRCOOL® Olympus 9 K Ceiling Cassette (Indoor Unit)
- Decorative ceiling panel
- Installation hardware and manual
Recommended Accessories
- Matching MRCOOL® Olympus outdoor condenser (properly sized)
- Refrigerant line set and control wire (installer supplied)
- Drain pump (if required), surge protection, ceiling trim kit
Why Choose the Olympus Cassette?
When you need discreet, high-performance comfort, the Olympus 9 K Cassette delivers — blending seamlessly into your ceiling while quietly conditioning your space. It’s the perfect solution for homeowners and contractors seeking premium design, energy efficiency, and reliable MRCOOL® performance backed by top-tier warranty protection.
Nationwide Shipping & Trusted Dealer
Buy with confidence from MRCOOLDIYDirect.com — the USA’s most trusted MRCOOL® dealer. Enjoy fast nationwide shipping, genuine Olympus products, and expert support from start to finish.
SKU: CASSETTE09HP-230C-P-O
Series: Olympus – Best Tier
Type: Ductless Mini Split Recessed 4-Way Ceiling Cassette
BTU: 9,000 (¾ Ton)
Coverage: Up to 400 sq ft
Refrigerant: R-454B
Warranty: Limited Lifetime / 7 Year Compressor / 5 Year Parts
Availability: Ships Nationwide from MRCOOLDIYDirect.com
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